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From: Jim Thompson on 13 Jul 2010 20:12
On Tue, 13 Jul 2010 18:43:00 -0500, Frnak McKenney
<frnak(a)far.from.the.madding.crowd.com> wrote:

>On Mon, 12 Jul 2010 18:09:49 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote:
>> On Tue, 13 Jul 2010 10:42:18 +1000, David Eather <eather(a)tpg.com.au>
>> wrote:
>>
>>>On 13/07/2010 8:56 AM, Jim Thompson wrote:
>>>> Olympus SP-800UZ
>>>
>>>I think you're out of luck.
>>>
>>>HDMI and USB won't do it and there is no remote cable, RF or IR remote
>>>you can play with.
>>
>> Yep. Now entertaining electro-mechanical ;-)
>
>Jim,
>
>If you're taking that route, you might consider a "hobby" servo such
>as these (or do a search on Hi-Tec):
>
> http://www.sparkfun.com/commerce/product_info.php?products_id=9065
> http://www.sparkfun.com/commerce/product_info.php?products_id=9064
>
>You'd still need to build a frame to attach it to the camera (or the
>tripod mount) and a linkage to translate the servo rotation to the
>proper amount of pressure (several "cranks" are generally included).
>
>Also, someone would have to design the electronics to take whatever
>control signal you wanted to use into the "standard" pulse-position
>signal. Know anyone who could help you here? <grin!>
>
>Hope this helps...
>
>
>Frank McKenney

Thanks for the pointer. My circuit design life is filled with all
kinds of fun stuff: Six years ago I did a R/C receiver/servo-decoder
chip design ;-)

...Jim Thompson
--
| James E.Thompson, CTO | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona 85048 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |

Obama isn't going to raise your taxes...it's Bush' fault: Not re-
newing the Bush tax cuts will increase the bottom tier rate by 50%
From: Michael Karas on 14 Jul 2010 01:40
> Yep. Now entertaining electro-mechanical ;-)
>
> ...Jim Thompson

I once used an R/C servo rigged up with a somewhat
flexible flat nylon tab affixed to the end of the
servo arm. The servo was mounted on a bracket from
the camera stand in manner so as to have the flexible
tab be able to push down in the camera shutter button
when the servo was activated. Worked rather well within
the operating range of the R/C controller unit.

--
- mkaras
From: David Eather on 14 Jul 2010 19:28
On 14/07/2010 10:12 AM, Jim Thompson wrote:
> On Tue, 13 Jul 2010 18:43:00 -0500, Frnak McKenney
> <frnak(a)far.from.the.madding.crowd.com> wrote:
>
>> On Mon, 12 Jul 2010 18:09:49 -0700, Jim Thompson<To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote:
>>> On Tue, 13 Jul 2010 10:42:18 +1000, David Eather<eather(a)tpg.com.au>
>>> wrote:
>>>
>>>> On 13/07/2010 8:56 AM, Jim Thompson wrote:
>>>>> Olympus SP-800UZ
>>>>
>>>> I think you're out of luck.
>>>>
>>>> HDMI and USB won't do it and there is no remote cable, RF or IR remote
>>>> you can play with.
>>>
>>> Yep. Now entertaining electro-mechanical ;-)
>>
>> Jim,
>>
>> If you're taking that route, you might consider a "hobby" servo such
>> as these (or do a search on Hi-Tec):
>>
>> http://www.sparkfun.com/commerce/product_info.php?products_id=9065
>> http://www.sparkfun.com/commerce/product_info.php?products_id=9064
>>
>> You'd still need to build a frame to attach it to the camera (or the
>> tripod mount) and a linkage to translate the servo rotation to the
>> proper amount of pressure (several "cranks" are generally included).
>>
>> Also, someone would have to design the electronics to take whatever
>> control signal you wanted to use into the "standard" pulse-position
>> signal. Know anyone who could help you here?<grin!>
>>
>> Hope this helps...
>>
>>
>> Frank McKenney
>
> Thanks for the pointer. My circuit design life is filled with all
> kinds of fun stuff: Six years ago I did a R/C receiver/servo-decoder
> chip design ;-)
>
> ...Jim Thompson

Will you be able to use the servo on the two position "shutter release"?
And will there be a noise problem for nature photography (especially owls)?
From: Frnak McKenney on 15 Jul 2010 10:52
On Thu, 15 Jul 2010 09:28:12 +1000, David Eather <eather(a)tpg.com.au> wrote:
> On 14/07/2010 10:12 AM, Jim Thompson wrote:
>> On Tue, 13 Jul 2010 18:43:00 -0500, Frnak McKenney
>> <frnak(a)far.from.the.madding.crowd.com> wrote:
>>
>>> On Mon, 12 Jul 2010 18:09:49 -0700, Jim Thompson<To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote:
>>>> On Tue, 13 Jul 2010 10:42:18 +1000, David Eather<eather(a)tpg.com.au>
>>>> wrote:
>>>>> On 13/07/2010 8:56 AM, Jim Thompson wrote:
>>>>>> Olympus SP-800UZ
>>>>>
>>>>> I think you're out of luck.
>>>>>
>>>>> HDMI and USB won't do it and there is no remote cable, RF or IR remote
>>>>> you can play with.
>>>>
>>>> Yep. Now entertaining electro-mechanical ;-)
>>>
>>> Jim,
>>>
>>> If you're taking that route, you might consider a "hobby" servo such
>>> as these (or do a search on Hi-Tec):
>>>
>>> http://www.sparkfun.com/commerce/product_info.php?products_id=9065
>>> http://www.sparkfun.com/commerce/product_info.php?products_id=9064
>>>
>>> You'd still need to build a frame to attach it to the camera (or the
>>> tripod mount) and a linkage to translate the servo rotation to the
>>> proper amount of pressure (several "cranks" are generally included).
>>>
>>> Also, someone would have to design the electronics to take whatever
>>> control signal you wanted to use into the "standard" pulse-position
>>> signal. Know anyone who could help you here?<grin!>

[...]

>> Thanks for the pointer. My circuit design life is filled with all
>> kinds of fun stuff: Six years ago I did a R/C receiver/servo-decoder
>> chip design ;-)

Jim,

Here's your chance to do an R/C servo _encoder_ chip (just add die
and serve <grin!>).

By the way: there's an item in the latest Make magazine (#23) from
someone who used a 556-based design to drive a DC motor with a cam
to periodically trip a camera shutter. Not an on-demand kind of
gdget, but his goal was to able take aerial photos from a kite.

As for the mechanical stuff, a 'web search with the following:

camera shutter operate|press|release motor|servo

turns up a lot of stuff, including the following:

KAP | Building a Shutter Release Servo Bracket
http://www.uscoles.com/kapservobracket.html

You may or may not want to follow up on those suggesting attaching
the servo to the camera with epoxy or caulking compound. <grin!>

[...]

> Will you be able to use the servo on the two position "shutter release"?
> And will there be a noise problem for nature photography (especially owls)?

David,

Good questions (the questions are always the fun part <grin!>).

An R/C (radio control) servo is a "proportional movement" kind of
thing: depending on the pulses it receives, it rotates CW or CCW
some amount (up to a limit). It is capable, given the proper electronic
and mechanical attachments, of letting you use (e.g.) a joystick to
press a shutter partway or full down. What it does not provide is any
feedback, so you need to measure (and mark) how far you would need to
push the joystick in order to execute a "half-push" or "full-push".

On your second question, I understand your problem. Deer and hawks are
remarkably sensitive to the sounds my Panasonic FZ-50 makes when
focussing and snapping; I can disable the latter, but only if I don't
forget. <grin!>

Most of the R/C servos I'm aware of are based on tiny DC motors, and
have a slight "whine" to them as they operate. From what I've heard of
owls, I'd expect that one would be able to hear a servo operating;
whether this would affect them you'd have to read up on or test out.


Frank McKenney
--
War is repugnant to the people of the United States; yet it is war
that has made their nation and it is through their power to wage
war that they dominate the world. Americans are proficient in war
in the same way that they are proficient at work. It is a task,
sometimes a duty. Americans have worked at war since the seven-
teenth century, to protect themselves from the Indians, to win
their independence from George III, to make themselves one country,
to extinguish autocracy and dictatorship in the world outside. It
is not their favored form of work. Left to themselves, Americans
build, cultivate, bridge, dam, canalise, invent, teach, manufacture,
think, write, lock themselves in struggle with eternal challenges
that man has chosen to confront, and with an intensity not known
elsewhere on the globe. Bidden to make war their work, Americans
shoulder the burden with intimidating purpose, There is, I have
said, an American mystery, the nature of which I only begin to
perceive. If I were obliged to define it, I would say that it is
the ethos -- masculine, pervading, unrelenting -- of work as an end
in itself. War is a form of work, and America makes war, however
reluctantly, however unwillingly, in a particularly workmanlike way.
I do not love war; but I love America.
-- John Keegan / Fields of Battle
--
Frank McKenney, McKenney Associates
Richmond, Virginia / (804) 320-4887
Munged E-mail: frank uscore mckenney ayut mined spring dawt cahm (y'all)
From: Jim Thompson on 15 Jul 2010 11:02
On Thu, 15 Jul 2010 09:52:09 -0500, Frnak McKenney
<frnak(a)far.from.the.madding.crowd.com> wrote:

>On Thu, 15 Jul 2010 09:28:12 +1000, David Eather <eather(a)tpg.com.au> wrote:
>> On 14/07/2010 10:12 AM, Jim Thompson wrote:
>>> On Tue, 13 Jul 2010 18:43:00 -0500, Frnak McKenney
>>> <frnak(a)far.from.the.madding.crowd.com> wrote:
>>>
>>>> On Mon, 12 Jul 2010 18:09:49 -0700, Jim Thompson<To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote:
>>>>> On Tue, 13 Jul 2010 10:42:18 +1000, David Eather<eather(a)tpg.com.au>
>>>>> wrote:
>>>>>> On 13/07/2010 8:56 AM, Jim Thompson wrote:
>>>>>>> Olympus SP-800UZ
>>>>>>
>>>>>> I think you're out of luck.
>>>>>>
>>>>>> HDMI and USB won't do it and there is no remote cable, RF or IR remote
>>>>>> you can play with.
>>>>>
>>>>> Yep. Now entertaining electro-mechanical ;-)
>>>>
>>>> Jim,
>>>>
>>>> If you're taking that route, you might consider a "hobby" servo such
>>>> as these (or do a search on Hi-Tec):
>>>>
>>>> http://www.sparkfun.com/commerce/product_info.php?products_id=9065
>>>> http://www.sparkfun.com/commerce/product_info.php?products_id=9064
>>>>
>>>> You'd still need to build a frame to attach it to the camera (or the
>>>> tripod mount) and a linkage to translate the servo rotation to the
>>>> proper amount of pressure (several "cranks" are generally included).
>>>>
>>>> Also, someone would have to design the electronics to take whatever
>>>> control signal you wanted to use into the "standard" pulse-position
>>>> signal. Know anyone who could help you here?<grin!>
>
> [...]
>
>>> Thanks for the pointer. My circuit design life is filled with all
>>> kinds of fun stuff: Six years ago I did a R/C receiver/servo-decoder
>>> chip design ;-)
>
>Jim,
>
>Here's your chance to do an R/C servo _encoder_ chip (just add die
>and serve <grin!>).
>
>By the way: there's an item in the latest Make magazine (#23) from
>someone who used a 556-based design to drive a DC motor with a cam
>to periodically trip a camera shutter. Not an on-demand kind of
>gdget, but his goal was to able take aerial photos from a kite.
>
>As for the mechanical stuff, a 'web search with the following:
>
> camera shutter operate|press|release motor|servo
>
>turns up a lot of stuff, including the following:
>
> KAP | Building a Shutter Release Servo Bracket
> http://www.uscoles.com/kapservobracket.html
>
>You may or may not want to follow up on those suggesting attaching
>the servo to the camera with epoxy or caulking compound. <grin!>
>
> [...]

I'm thinking more along the lines of a solenoid.

>
>> Will you be able to use the servo on the two position "shutter release"?
>> And will there be a noise problem for nature photography (especially owls)?

The noise doesn't seem to bother them, but they seem very aware of the
LED aiming beam :-)

>
>David,
>
>Good questions (the questions are always the fun part <grin!>).
>
>An R/C (radio control) servo is a "proportional movement" kind of
>thing: depending on the pulses it receives, it rotates CW or CCW
>some amount (up to a limit). It is capable, given the proper electronic
>and mechanical attachments, of letting you use (e.g.) a joystick to
>press a shutter partway or full down. What it does not provide is any
>feedback, so you need to measure (and mark) how far you would need to
>push the joystick in order to execute a "half-push" or "full-push".
>
>On your second question, I understand your problem. Deer and hawks are
>remarkably sensitive to the sounds my Panasonic FZ-50 makes when
>focussing and snapping; I can disable the latter, but only if I don't
>forget. <grin!>
>
>Most of the R/C servos I'm aware of are based on tiny DC motors, and
>have a slight "whine" to them as they operate. From what I've heard of
>owls, I'd expect that one would be able to hear a servo operating;
>whether this would affect them you'd have to read up on or test out.
>
>
>Frank McKenney
>--
> War is repugnant to the people of the United States; yet it is war
> that has made their nation and it is through their power to wage
> war that they dominate the world. Americans are proficient in war
> in the same way that they are proficient at work. It is a task,
> sometimes a duty. Americans have worked at war since the seven-
> teenth century, to protect themselves from the Indians, to win
> their independence from George III, to make themselves one country,
> to extinguish autocracy and dictatorship in the world outside. It
> is not their favored form of work. Left to themselves, Americans
> build, cultivate, bridge, dam, canalise, invent, teach, manufacture,
> think, write, lock themselves in struggle with eternal challenges
> that man has chosen to confront, and with an intensity not known
> elsewhere on the globe. Bidden to make war their work, Americans
> shoulder the burden with intimidating purpose, There is, I have
> said, an American mystery, the nature of which I only begin to
> perceive. If I were obliged to define it, I would say that it is
> the ethos -- masculine, pervading, unrelenting -- of work as an end
> in itself. War is a form of work, and America makes war, however
> reluctantly, however unwillingly, in a particularly workmanlike way.
> I do not love war; but I love America.
> -- John Keegan / Fields of Battle

...Jim Thompson
--
| James E.Thompson, CTO | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona 85048 Skype: Contacts Only | |
| Voice:(480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |

Since New Yorkers think it appropriate to boycott Arizona over
stopping illegal immigration and drug trafficking, I suggest that
everyone else support building the Muslim Monument at Ground Zero
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